Base | Representation |
---|---|
bin | 100100100110010… |
… | …1100100011110010 |
3 | 10011120211011111021 |
4 | 1021030230203302 |
5 | 10003341040020 |
6 | 321505410054 |
7 | 42301244314 |
oct | 11114544362 |
9 | 3146734437 |
10 | 1228065010 |
11 | 580235467 |
12 | 2a333992a |
13 | 16756c7b3 |
14 | b91577b4 |
15 | 72c311aa |
hex | 4932c8f2 |
1228065010 has 16 divisors (see below), whose sum is σ = 2211714072. Its totient is φ = 490960000.
The previous prime is 1228064951. The next prime is 1228065011. The reversal of 1228065010 is 105608221.
It can be written as a sum of positive squares in 4 ways, for example, as 971007921 + 257057089 = 31161^2 + 16033^2 .
It is not an unprimeable number, because it can be changed into a prime (1228065011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13291 + ... + 51310.
Almost surely, 21228065010 is an apocalyptic number.
1228065010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1228065010 is a deficient number, since it is larger than the sum of its proper divisors (983649062).
1228065010 is a wasteful number, since it uses less digits than its factorization.
1228065010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66509.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 1228065010 is about 35043.7585027634. The cubic root of 1228065010 is about 1070.8791243605.
The spelling of 1228065010 in words is "one billion, two hundred twenty-eight million, sixty-five thousand, ten".
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